Al Stewart, PE

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Al Stewart, PE

Presents a SunCam continuing education series on the topic of:

Drainage Design

Contact author at:
astewart@analytic-engineering.com
Analytic Engineering, Inc.
Tampa Florida
813-209-0202

Mr. Stewart is the president of Analytic Engineering, Inc., a consulting engineering firm in Tampa, Florida. He has over 26 years of experience in Drainage and Stormwater Management Design and Permitting. Mr. Stewart graduated from Georgia Tech in 1983 with a Bachelor of Civil Engineering Degree. After graduating from Georgia Tech, Mr. Stewart was employed for four-and-a-half years with the Florida Department of Transportation where he completed the Professional Engineer Training Program and worked in the District One Drainage Department. After leaving the FDOT in 1988, Mr. Stewart worked for Kisinger, Camp and Associates for fourteen years, and then for HNTB Corporation and HDR Engineering.

Mr. Stewart has provided drainage-related services from the initial environmental phase of projects to the drainage design and preparation of the construction plans. He has permitted projects throughout the State of Florida and is very familiar with the requirements of federal, state, local government, and environmental permitting agencies. Mr. Stewart has prepared numerous Bridge Hydraulic Reports, obtained FEMA No-Rise Certifications, and designed drainage systems for numerous projects. Among the projects that Mr. Stewart has worked on are the SR 826 Palmetto Expressway in Miami-Dade County; the Veterans Expressway in Hillsborough County; the Polk Parkway in Polk County; Bunces Pass Bridge Replacement in Pinellas County, Ten Bridge Replacements in Polk County, and the Brandon Parkway in Hillsborough County. Mr. Stewart has also served as Consultant Project Manager on four FDOT District One District-Wide Drainage Contracts; two Hillsborough County Miscellaneous Stormwater Contracts; the Curiosity Creek Watershed Management Plan in Hillsborough County; and the Kissimmee River Restoration � Pool D Flood Mitigation Project for the South Florida Water Management District. Mr. Stewart has also reviewed Drainage Connection Permits for the Florida Department of Transportation. Mr. Stewart was also the Drainage Discipline Manager for the 35.5-mile, $430-million I-75 Design-Build widening project in Collier and Lee Counties.

Mr. Stewart has provided drainage-related services from the initial environmental phase of projects to the drainage design and preparation of the construction plans. He has permitted projects throughout the State of Florida and is very familiar with the requirements of federal, state, local government, and environmental permitting agencies. Mr. Stewart has prepared numerous Bridge Hydraulic Reports, obtained FEMA No-Rise Certifications, and designed drainage systems for numerous projects. Among the projects that Mr. Stewart has worked on are the SR 826 Palmetto Expressway in Miami-Dade County; the Veterans Expressway in Hillsborough County; the Polk Parkway in Polk County; Bunces Pass Bridge Replacement in Pinellas County, Ten Bridge Replacements in Polk County, and the Brandon Parkway in Hillsborough County. Mr. Stewart has also served as Consultant Project Manager on four FDOT District One District-Wide Drainage Contracts; two Hillsborough County Miscellaneous Stormwater Contracts; the Curiosity Creek Watershed Management Plan in Hillsborough County; and the Kissimmee River Restoration — Pool D Flood Mitigation Project for the South Florida Water Management District. Mr. Stewart has also reviewed Drainage Connection Permits for the Florida Department of Transportation. Mr. Stewart was also the Drainage Discipline Manager for the 35.5-mile, $430-million I-75 Design-Build widening project in Collier and Lee Counties.

Course Title Rating Hours Price

051-Considerations In Estimating Tailwater Elevations

(4.6) 31 Reviews

4 $90.00

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Course Objectives: This continuing education course is written specifically for professional engineers with the objective of relating to and enhancing the practice of engineering.

Course Description:

Determination of a reasonable/accurate tailwater elevation is important in locations such as central, southern, and coastal Florida where the terrain is predominately flat, low-lying, and includes areas of high groundwater. In these areas, a few tenths of a foot difference in water surface elevation on the upstream side of a hydraulic structure (headwater) can be the determining factor in whether a project gets a stormwater permit from the applicable regulatory agency, because of the potential to adversely impact adjacent properties. That same relatively small difference in water surface elevation can also lead to larger pipe sizes for culvert and storm drain systems, larger stormwater ponds, and has a direct impact on the amount of fill needed for projects.

Hydraulic structures in these areas typically flow under "Outlet" control for the design event. The downstream water surface elevation at the discharge point, or tailwater elevation, while a significant component in hydraulic calculations is often given the least amount of attention during design.

This course is of interest to a wide variety of engineers that work on both public and private infrastructure and site development projects. This course discusses those less than ideal, yet typical tailwater conditions encountered during actual practice. It addresses typical agency design requirements as well as some of the more common pitfalls encountered in estimating tailwater elevations. The course discusses the impacts of over and underestimated tailwater elevations and identifies things the designer should consider during the design to avoid the more common pitfalls.